When an individual acts in a fashion of stonkish nature. When someone acts of a dumb nature or does stupid things. Stonks can include Frat boys, dumb kids, skater boys, stoners, aswell as anyone who lacks brain cells
Bro 1: Bruh look at this stonk ass n*gga
Bro 2: Heâs always doin some dumb shit. what a stonk.